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Variable Interest Entities (Tables) | 3 Months Ended
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Mar. 31, 2013
Variable Interest Entities [Abstract] |
Schedule of Maximum Potential Exposure | First Commonwealth’s maximum potential exposure is equal to its carrying value and is summarized in the table below:
| March 31, 2013 |  | December 31, 2012
| (dollars in thousands)
Low Income Housing Limited Partnership Investments | $ | 304 |  |  | $ | 347 |

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